最終更新日：2025/11/24
Mauna Kea, a dormant volcano in Hawaii that is the tallest mountain in the world when measured from its base on the seafloor, hosts several world-class astronomical observatories.
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Mauna Kea, a dormant volcano in Hawaii that is the tallest mountain in the world when measured from its base on the seafloor, hosts several world-class astronomical observatories.
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